Home / 1,370,844.72-1,891,974.65-854,682.39

Finding the Fourth Proportional to 1,370,844.72, 1,891,974.65 and 854,682.39

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Solution

The fourth proportional to 1,370,844.72, 1,891,974.65 and 854,682.39 is: 1,179,591.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,844.72 : 1,891,974.65 = 854,682.39 : x
  2. Step 2: Convert to fraction form
    1,370,844.72/1,891,974.65 = 854,682.39/x
  3. Step 3: Cross multiply
    1,370,844.72x = 1,891,974.65 × 854,682.39
  4. Step 4: Simplify right side
    1,370,844.72x = 1,617,037,411,408.00
  5. Step 5: Solve for x
    x = 1,617,037,411,408.00/1,370,844.72
  6. Step 6: Final answer
    x = 1,179,591.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.